Pith Number

pith:2XW6ZLZC

pith:2008:2XW6ZLZCGWTZJYZKVFPCZ4QRIF

not attested not anchored not stored refs pending

Discovery of a widely separated UCD-WD binary

A. C. Day-Jones, B. Burningham, D. J. Pinfield, D. J. Weights, H. R. A. Jones, J. R. A. Clarke, J. S. Jenkins, R. Napiwotzki, S. L. Folkes

arxiv:0806.0015 v1 · 2008-05-30 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XW6ZLZCGWTZJYZKVFPCZ4QRIF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:15:52.091877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5edecaf2235a794e32aa95e2cf211416883d13f4614519ad5b255f8fe1b2fae

Aliases

arxiv: 0806.0015 · arxiv_version: 0806.0015v1 · doi: 10.48550/arxiv.0806.0015 · pith_short_12: 2XW6ZLZCGWTZ · pith_short_16: 2XW6ZLZCGWTZJYZK · pith_short_8: 2XW6ZLZC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2XW6ZLZCGWTZJYZKVFPCZ4QRIF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d5edecaf2235a794e32aa95e2cf211416883d13f4614519ad5b255f8fe1b2fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2489bd76c985e81126ec0261cb17f72c777179cc380454cac82edfcf8d5752f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-30T20:45:30Z",
    "title_canon_sha256": "9250fc511861c3b6e0b8df2ad97eccc5f94e76fb789b150d3f6b3a94a5737bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0015",
    "kind": "arxiv",
    "version": 1
  }
}